<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>缩略图</title>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
</head>
<body>
<h1>简单的缩略图</h1>
<div class="container">
    <div class="row">
		<div class="col-xs-6 col-md-3">
			<a href="#" class="thumbnail">
				<img alt="100%x180" src="http://img.mukewang.com/5434eba100014fe906000338.png" style="height: 180px; width: 100%; display: block;" >
			</a>
		</div>
		<div class="col-xs-6 col-md-3">
			<a href="#" class="thumbnail">
				<img alt="100%x180" src="http://img.mukewang.com/5434eba100014fe906000338.png" style="height: 180px; width: 100%; display: block;">
			</a>
		</div>
		<div class="col-xs-6 col-md-3">
			<a href="#" class="thumbnail">
				<img alt="100%x180" src="http://img.mukewang.com/5434eba100014fe906000338.png" style="height: 180px; width: 100%; display: block;">
			</a>
		</div>
		<div class="col-xs-6 col-md-3">
			<a href="#" class="thumbnail">
				<img alt="100%x180" src="http://img.mukewang.com/5434eba100014fe906000338.png" style="height: 180px; width: 100%; display: block;">
			</a>
		</div>
	</div>
</div>
<!--下面是任务部分-->

<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> 
</body>
</html>